Automatic control valve of the liquid level in the container
Install it in a container at the liquid inlet or liquid outlet, using float (usually a hollow float) float up or down in the container drive disc movement, by regulating the flow in and out of the container the container to maintain a certain level.

Floating ball valves control fluid flow rate control valve
When the fluid level is lower than the rated value, float down the disc opens, liquid into the container, the liquid level increased
When the liquid level rises to the required level, float float so that the disc is closed, stopped flowing into the liquid
This valve is used for low pressure liquid level in the container control

What’s in the box
1 x Ball Valve Float